Isuzu KB P190. Manual - part 515

6A-46 ENGINE MECHANICAL (C24SE) 

 

 

 

 
 

Inspection 

Check contact pattern (I) on valve seat and in cylinder head. 
 

Clean 

Valves, valve guides, cylinder head. 
 

Flywheel 

 

Removal 

  1.  Remove transmission and clutch. 

  2.  Remove flywheel while locking with 5-88400-446-0. 

 

 

 

 

 
 
 

Torque - Angle Method 

Flywheel to crankshaft - 65 Nm/6.5 kgf

⋅m.+30° to 45° 

 

Important! 

Use new bolts. 
Do not apply grease to the thread. 
 

Installation 

  1.  Install clutch and transmission. 

 

 

 

Component Parts 

Flywheel and Ring gear. (Manual Transmission) 
 

ENGINE MECHANICAL (C24SE) 6A-47 

 

Starter Ring Gear (Manual Transmission) 

Removal 

  1.  Remove flywheel according to the corresponding 

operation. 

  2.  Drill starter ring gear underneath tooth gap approx. 

8mm/0.30in. deep with 8mm/0.25in. diameter drill. 

 

 

 

 

 

  3.  Separate starter ring gear with chisel on the drilling point.

 

 

Installation 

  1.  Install starter ring gear with inner chamfered edge to 

flywheel. 

  2.  Heat starter ring gear evenly to 180

°C /356°F to 230°C 

/446

°F (yellow paint mark) 

  3.  Install flywheel according to the corresponding operation.

 

 

Inspection 

Lateral run-out of starter ring gear - max. 0.5mm/0.02in. 

 

6A-48 ENGINE MECHANICAL (C24SE) 

 

 

Seal Ring, Crankshaft 
(Oil Pump Housing) 

 

Removal 

  1.  Remove toothed belt rear cover according to the 

corresponding operation. 

  2.  Remove sealing ring by making hole in middle of ring, 

turning in self-tapping screw and edging out. 

 

 

Installation 

  1 

Install the protective sleeve to the crankshaft. 

  2.  Coat the sealing lip with protective grease. 

  3.  Install the sealing ring. 

  4.  Install the sealing ring using 5-8840-0455-0. 

  5.  Install the rear toothed belt cover and toothed belt 

according to the corresponding  operations. 

  6.  Replace the sealing ring with a new one. 

  7.  Tighten the belt to the crankshaft. 

 

 

 

 

 

Seal Ring, Crankshaft Rear 

Removal 

  1.  Remove transmission and clutch. 

  2.  Remove flywheel or flex plate according to the 

corresponding operations. 

  3.  Make hole in middle of sealing ring, turn in self-tapping 

screw and edge out. 

 

 

 

 

Installation 

  1.  Install protective sleeve. 

  2.  Coat sealing lip with Protective Grease. 

  3.  Install sealing ring using 5-8840-0459-0 and 5-8840-

2597-0. 

  4.  Install flywheel, clutch and transmission. 

 

ENGINE MECHANICAL (C24SE) 6A-49 

 

 

 

 
 

 
 

 

Reassembly 

Reassemble clutch assembly. 
 

Disassembly 

Disassemble clutch assembly to flywheel using 5-8840-2634-0
 

Torque Angle-Method 

Clutch assembly to flywheel-17.6Nm/1.8 kgf

xm. 

 

 

 

 

RTW46ASH002801 

 

Oil Pan and Bearing Bridge 

Removal 

  1.  Remove the crossmember. 

  2.  Shift downward the power steering unit 

(and front axle [4

×4 model only]). 

  3.  Loosen fixing bolts. 

  4.  Remove oil pan from oil pump and cylinder block. 

  5.  Remove oil intake pipe, oil intake pipe bracket, and oil 

baffle plate. 

  6.  Remove the bearing bridge.